DOWNLOAD LG LM-3060HL Service Manual ↓ Size: 1.42 MB | Pages: 72 in PDF or view online for FREE

Model
LM-3060HL
Pages
72
Size
1.42 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner
File
lm-3060hl.zip
Date
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LG LM-3060HL Service Manual ▷ View online

62
NO
Si
Si
Si
Si
NO
NO
NO
Possible Trouble 5
Possible Trouble 6
Does the remperature set
all right?
Does SW2 set all right?
Is the different 
operation mode?
Is the SW1 OK?
P.C.B pattern check.
: Ineffective cooling or heating.
:It does not operate forced operation.
Adjust setting Temp.
Set SW2 exactly.
Check the outdoor.
After resetting the operation
mode, Remocon OFF/ON
Exchange the SW1.
YES
YES
YES
YES
63
Possible Trouble 1
:The unit does not operate.
Is the trans input power
AC240V?
Is the trans output power about
AC12V?
Is input voltage of IC1
DC12V?
Is output voltage of IC1
DC5V?
Is the reset circuit all right?
Is the voltage No 64 of
IC4 DC5V?
Check the fuse.
Check the wiring diagram.
Is shorted the trans
output?
NO
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
Check the main P.C.B pattern.
Exchange the trans.
Exchange BD1, D1.
Exchange IC1
Check and exchange 
ZD1, IC2.
Check the P.C.B pattern.
1 or 4 Time push SW1
2. Outdoor
64
NO
Si
Si
Does comp, fan 
S.V1~3,4way valve 
Operate?
Check the signal cable.
Check the comp. fan 
S.V1~3 4 way valve.
Check teh Indoor unit.
Check the setting temp.
(Indoor)
Power off or 2 time 
push sw1.
3. Communication error
• The control data can be transmitted or received between indoor and outdoor unit with three signal cables.
• If the data be disturbed by any noise level, the unit will be operated incorrectly. In this case, the indoor unit
blinks the operation and sleeping timer LED on display and indoor fan, outdoor fan, COMP are not operated.
• The unit can be reoperated by On/Off control of Remocon.
YES
YES
1. MAIN PCB ASM (AC) (P/No : 6047AQ2047A): INDOOR
65
Electronic control device
CN AC
C
N
A
C
/D
C
_
CN TRANS1
ZNR1
S/K1
C
RY
F
U
S
E
1
_
_
_
CN FAN
_
L
RY
_
M
RY
_
_
H
FM
PCB P/N:6046Q2010A
PCB ASM P/N:6047AQ2047A
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